arm64/sysreg: Standardise naming for ID_AA64MMFR2_EL1.VARange

The kernel refers to ID_AA64MMFR2_EL1.VARange as LVA. In preparation for
automatic generation of defines for the system registers bring the naming
used by the kernel in sync with that of DDI0487H.a. No functional change.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Kristina Martsenko <kristina.martsenko@arm.com>
Link: https://lore.kernel.org/r/20220905225425.1871461-12-broonie@kernel.orgSigned-off-by: Catalin Marinas <catalin.marinas@arm.com>

arch/arm64/include/asm/assembler.h

@@ -612,7 +612,7 @@ alternative_endif
 	.macro	offset_ttbr1, ttbr, tmp
 #ifdef CONFIG_ARM64_VA_BITS_52
 	mrs_s	\tmp, SYS_ID_AA64MMFR2_EL1
-	and	\tmp, \tmp, #(0xf << ID_AA64MMFR2_EL1_LVA_SHIFT)
+	and	\tmp, \tmp, #(0xf << ID_AA64MMFR2_EL1_VARange_SHIFT)
 	cbnz	\tmp, .Lskipoffs_\@
 	orr	\ttbr, \ttbr, #TTBR1_BADDR_4852_OFFSET
 .Lskipoffs_\@ :

arch/arm64/include/asm/sysreg.h

@@ -815,7 +815,7 @@
 #define ID_AA64MMFR2_EL1_ST_SHIFT	28
 #define ID_AA64MMFR2_EL1_NV_SHIFT	24
 #define ID_AA64MMFR2_EL1_CCIDX_SHIFT	20
-#define ID_AA64MMFR2_EL1_LVA_SHIFT	16
+#define ID_AA64MMFR2_EL1_VARange_SHIFT	16
 #define ID_AA64MMFR2_EL1_IESB_SHIFT	12
 #define ID_AA64MMFR2_EL1_LSM_SHIFT	8
 #define ID_AA64MMFR2_EL1_UAO_SHIFT	4

arch/arm64/kernel/cpufeature.c

@@ -388,7 +388,7 @@ static const struct arm64_ftr_bits ftr_id_aa64mmfr2[] = {
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_ST_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_NV_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_CCIDX_SHIFT, 4, 0),
-	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_LVA_SHIFT, 4, 0),
+	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_VARange_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_IESB_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_LSM_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_EL1_UAO_SHIFT, 4, 0),

arch/arm64/kernel/head.S

@@ -99,7 +99,7 @@ SYM_CODE_START(primary_entry)
 	 */
 #if VA_BITS > 48
 	mrs_s	x0, SYS_ID_AA64MMFR2_EL1
-	tst	x0, #0xf << ID_AA64MMFR2_EL1_LVA_SHIFT
+	tst	x0, #0xf << ID_AA64MMFR2_EL1_VARange_SHIFT
 	mov	x0, #VA_BITS
 	mov	x25, #VA_BITS_MIN
 	csel	x25, x25, x0, eq
@@ -677,7 +677,7 @@ SYM_FUNC_START(__cpu_secondary_check52bitva)
 	b.ne	2f
 
 	mrs_s	x0, SYS_ID_AA64MMFR2_EL1
-	and	x0, x0, #(0xf << ID_AA64MMFR2_EL1_LVA_SHIFT)
+	and	x0, x0, #(0xf << ID_AA64MMFR2_EL1_VARange_SHIFT)
 	cbnz	x0, 2f
 
 	update_early_cpu_boot_status \